FR530636A
Expired / Lapsed
FR
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Spring device for aneroid membranes
Assignee: Pierre-Maurice-Fran Dugit-Gros
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Filing: 1919-12-02
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Granted: 1921-12-27
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Expires: 1939-12-02
Abstract
No abstract record available.
Inventors
- 👤 Pierre-Maurice-Fran Dugit-Gros
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 16:24
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/20
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References Cited (Backward Citations)
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